1 /* $NetBSD: pci22.h,v 1.1.1.1 2014/04/01 16:16:07 jakllsch Exp $ */ 2 3 #ifndef _PCI22_H 4 #define _PCI22_H 5 6 /*++ 7 8 Copyright (c) 1999 Intel Corporation 9 10 Module Name: 11 12 pci22.h 13 14 Abstract: 15 Support for PCI 2.2 standard. 16 17 18 19 20 Revision History 21 22 --*/ 23 24 #ifdef SOFT_SDV 25 #define PCI_MAX_BUS 1 26 #else 27 #define PCI_MAX_BUS 255 28 #endif 29 30 #define PCI_MAX_DEVICE 31 31 #define PCI_MAX_FUNC 7 32 33 // 34 // Command 35 // 36 #define PCI_VGA_PALETTE_SNOOP_DISABLED 0x20 37 38 #pragma pack(1) 39 typedef struct { 40 UINT16 VendorId; 41 UINT16 DeviceId; 42 UINT16 Command; 43 UINT16 Status; 44 UINT8 RevisionID; 45 UINT8 ClassCode[3]; 46 UINT8 CacheLineSize; 47 UINT8 LaytencyTimer; 48 UINT8 HeaderType; 49 UINT8 BIST; 50 } PCI_DEVICE_INDEPENDENT_REGION; 51 52 typedef struct { 53 UINT32 Bar[6]; 54 UINT32 CISPtr; 55 UINT16 SubsystemVendorID; 56 UINT16 SubsystemID; 57 UINT32 ExpansionRomBar; 58 UINT32 Reserved[2]; 59 UINT8 InterruptLine; 60 UINT8 InterruptPin; 61 UINT8 MinGnt; 62 UINT8 MaxLat; 63 } PCI_DEVICE_HEADER_TYPE_REGION; 64 65 typedef struct { 66 PCI_DEVICE_INDEPENDENT_REGION Hdr; 67 PCI_DEVICE_HEADER_TYPE_REGION Device; 68 } PCI_TYPE00; 69 70 typedef struct { 71 UINT32 Bar[2]; 72 UINT8 PrimaryBus; 73 UINT8 SecondaryBus; 74 UINT8 SubordinateBus; 75 UINT8 SecondaryLatencyTimer; 76 UINT8 IoBase; 77 UINT8 IoLimit; 78 UINT16 SecondaryStatus; 79 UINT16 MemoryBase; 80 UINT16 MemoryLimit; 81 UINT16 PrefetchableMemoryBase; 82 UINT16 PrefetchableMemoryLimit; 83 UINT32 PrefetchableBaseUpper32; 84 UINT32 PrefetchableLimitUpper32; 85 UINT16 IoBaseUpper16; 86 UINT16 IoLimitUpper16; 87 UINT32 Reserved; 88 UINT32 ExpansionRomBAR; 89 UINT8 InterruptLine; 90 UINT8 InterruptPin; 91 UINT16 BridgeControl; 92 } PCI_BRIDGE_CONTROL_REGISTER; 93 94 #define PCI_CLASS_DISPLAY_CTRL 0x03 95 #define PCI_CLASS_VGA 0x00 96 97 #define PCI_CLASS_BRIDGE 0x06 98 #define PCI_CLASS_ISA 0x01 99 #define PCI_CLASS_ISA_POSITIVE_DECODE 0x80 100 101 #define PCI_CLASS_NETWORK 0x02 102 #define PCI_CLASS_ETHERNET 0x00 103 104 #define HEADER_TYPE_DEVICE 0x00 105 #define HEADER_TYPE_PCI_TO_PCI_BRIDGE 0x01 106 #define HEADER_TYPE_MULTI_FUNCTION 0x80 107 #define HEADER_LAYOUT_CODE 0x7f 108 109 #define IS_PCI_BRIDGE(_p) ((((_p)->Hdr.HeaderType) & HEADER_LAYOUT_CODE) == HEADER_TYPE_PCI_TO_PCI_BRIDGE) 110 #define IS_PCI_MULTI_FUNC(_p) (((_p)->Hdr.HeaderType) & HEADER_TYPE_MULTI_FUNCTION) 111 112 typedef struct { 113 PCI_DEVICE_INDEPENDENT_REGION Hdr; 114 PCI_BRIDGE_CONTROL_REGISTER Bridge; 115 } PCI_TYPE01; 116 117 typedef struct { 118 UINT8 Register; 119 UINT8 Function; 120 UINT8 Device; 121 UINT8 Bus; 122 UINT8 Reserved[4]; 123 } DEFIO_PCI_ADDR; 124 125 typedef struct { 126 UINT32 Reg : 8; 127 UINT32 Func : 3; 128 UINT32 Dev : 5; 129 UINT32 Bus : 8; 130 UINT32 Reserved: 7; 131 UINT32 Enable : 1; 132 } PCI_CONFIG_ACCESS_CF8; 133 134 #pragma pack() 135 136 #define EFI_ROOT_BRIDGE_LIST 'eprb' 137 typedef struct { 138 UINTN Signature; 139 140 UINT16 BridgeNumber; 141 UINT16 PrimaryBus; 142 UINT16 SubordinateBus; 143 144 EFI_DEVICE_PATH *DevicePath; 145 146 LIST_ENTRY Link; 147 } PCI_ROOT_BRIDGE_ENTRY; 148 149 150 #define PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55 151 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1 152 #define PCI_DATA_STRUCTURE_SIGNATURE EFI_SIGNATURE_32('P','C','I','R') 153 154 #pragma pack(1) 155 typedef struct { 156 UINT16 Signature; // 0xaa55 157 UINT8 Reserved[0x16]; 158 UINT16 PcirOffset; 159 } PCI_EXPANSION_ROM_HEADER; 160 161 162 typedef struct { 163 UINT16 Signature; // 0xaa55 164 UINT16 InitializationSize; 165 UINT16 EfiSignature; // 0x0EF1 166 UINT16 EfiSubsystem; 167 UINT16 EfiMachineType; 168 UINT8 Reserved[0x0A]; 169 UINT16 EfiImageHeaderOffset; 170 UINT16 PcirOffset; 171 } EFI_PCI_EXPANSION_ROM_HEADER; 172 173 typedef struct { 174 UINT32 Signature; // "PCIR" 175 UINT16 VendorId; 176 UINT16 DeviceId; 177 UINT16 Reserved0; 178 UINT16 Length; 179 UINT8 Revision; 180 UINT8 ClassCode[3]; 181 UINT16 ImageLength; 182 UINT16 CodeRevision; 183 UINT8 CodeType; 184 UINT8 Indicator; 185 UINT16 Reserved1; 186 } PCI_DATA_STRUCTURE; 187 #pragma pack() 188 189 #endif 190 191 192 193 194 195 196